CER0644A 1797.5 MHz Duplexer Revision B - Origin Date: September 12, 2009 – Revision Date: July 27, 2011 Features • Low Insertion Loss • Low Ripple • Excellent Rejection and Isolation Description Surface mount, silver (Ag) coated ceramic duplexer. Developed for use in 1770 MHz Infrastructure Applications. Weight: TBD grams typical Material: Filter is composed of a ceramic block plated with Ag and a shield made of Sn plated steel. Filter complies with RoHS standards. Electrical Specifications Parameter Low Band Response Passband Iloss Passband Ripple Passband Return Loss @ Ant Passband Return Loss @ Low Band Attenuation High Band Response Passband Iloss Passband Ripple Passband Return Loss @ Ant Passband Return Loss @ High Band Attenuation Isolation Rejection @ Low Band Rejection @ midpoint Rejection @ High Band Frequency MHz Typical @ 25ºC Specification @ 25ºC Spec over -40ºC to +85ºC 1745 - 1755 1745 - 1755 1745 - 1755 1745 - 1755 1840 - 1850 3490 - 3510 -2.30 0.90 -13.00 -13.00 -60.00 -11.00 -2.40 1.40 -12.00 -12.00 -55.00 -10.00 -2.50 1.50 -12.00 -12.00 -55.00 -10.00 1840 - 1850 1840 - 1850 1840 - 1850 1840 - 1850 1745 - 1755 3680 - 3700 -2.30 1.00 -13.00 -13.00 -60.00 -19.00 -2.40 1.40 -12.00 -12.00 -55.00 -15.00 -2.50 1.50 -12.00 -12.00 -55.00 -15.00 1745 - 1755 1755 - 1840 1840 - 1850 -61.00 -51.00 -61.00 -60.00 -50.00 -60.00 -60.00 -50.00 -60.00 Power into any port 3 Watt max Note: Supplier shall test each filter to the critical electrical specifications of the above table. Any subsequent audits may deviate from in value due to measurement repeatability among different test systems. Such deviations shall not exceed the following limits: Specification Allowance Insertion Loss 0.1 dB Return Loss 1.0 dB Stopbands 1.0 dB •“This product is covered by one or more of the following U.S. and foreign patents including: US 4,692,726;US 4,742,562; US 4,800,348;US 4,829,274;US 5,146,193;EP 0573597;DE 0573597;FR 0573597;JP 508149/92;KR 142171;US 5,162,760;US 5,218,329;US 5,250,916;US 5,327,109;US 5,488,335;CA 2114029;FR 9306297;GB 2273393;JP 3205337;KR 115113;CN 93106228.4;US 5,512,866;EP 0706719;DE 0706719;FR 0706719;GB 0706719;CN 95190359.4;US 5,602,518;US 5,721,520;US 5,745,018;EP 0910875;DE 0910875;DK 0910875;FR 0910875;GB 0910875;IE 0910875;JP 505182/98;KR 10-323013;US 5,994,978;US 6,462,629;CN 00810420.4;US 6,559,735;US 6,650,202;US 6,834,429.Other US and foreign patents pending. •CTS Corporation 2006 reserves all copyrights in the layout, design and configuration of the patterns on this product.” Document No. 008-0256-0 Page 1 of 2 Rev. X4VH - CTS Electronic Components - www.ctscorp.com – 4800 Alameda Blvd NE - Albuquerque, NM 87113 - CER0644A 1797.5 MHz Duplexer Revision B - Origin Date: September 12, 2009 – Revision Date: July 27, 2011 Mechanical Drawing 1750 A B C D E F G H I J K M L 1845 0.27 max 0.13 0.13 0.13 0.13 0.13 max 0.13 max 0.13 0.13 0.13 PCB Layout Electrical Response 0 24.04 5.93 1.02 0.79 0.79 12.02 12.02 4.60 0.89 7.04 9.30 8.66 1.86 50 40 -10 30 -20 20 -30 10 1845 1750 0 -40 -10 -50 -20 -60 -30 -70 -40 -80 1700 1750 1800 1850 -50 1900 Packaging and Marking DIMENSION REEL DIAMETER REEL WEIGHT REEL QUANTITY UNITS SPECIFICATION 330 mm 2.3 kg 500 ea. Customer Feed Direction Product Marking CTS 644 YWW Document No. 008-0256-0 Wo Ao Bo Ko Po Inches/mm Inches/mm Inches/mm Inches/mm Inches/mm 1.732/44.0 0.2823"/7.17 0.974"/24.74 0.195"/4.95 Page 2 of 2 0.472"/12 Rev. X4VH - CTS Electronic Components - www.ctscorp.com – 4800 Alameda Blvd NE - Albuquerque, NM 87113 -